Clear Sky Chart

  • Sponsors
  • Sponsors

    Sponsors are remarkably wise and kind people who have contributed money to help defray the costs of generating clear sky charts from (free) CMC data. They have my deepest thanks:

    Winer Observatory

    Friends of Beacon Field Airport
    Joseph TrerotolaAnonymous
    Dr. John SohlKaushik IyerJustin Bailo
    Kok ChenMichael RudyJane Houston Jones and Morris jones
    Southern Maryland Astronomical SocietyTim Kearsley
    David McDavidBigMailer.ioBert Stevens
    Dr. Michael W. RidenhourTiffiny MansouriThomas Wroblewski
    Wolf Creek ObservatoryJnani CevvelJim Woods
    Joseph & Amy GallowayMax MitchellLKappukatt
    Hans FlaatrudEric RachutRASC Ottawa Centre
    Steve AltstadtSouthern California Desert Video Astronomers
    Steve Altic
    The Wilkersons of Pittsburgh
    William C. BrysonJohn HarrisRichard Seely
    Steven SchlagelPhilip MasseyJane Gnass
    Jay and Maureen Huston
    of Long Mountain Ranch
    Naperville Astronomical AssociationRoger Menard
    Amateur Telescope Makers of BostonJerry SpevakDavid ONeill
    Victoria woodsFrank Willburn

    sponsored link: Email marketing for franchises.

    UConn PhysicsMichael Rosolina
    Aaron QuickJimmy Deetman
    Oleg RumiancevRob & Theresa BritschgiSate Consulting LLC
    Roxanne KaminDave & RobertThe Noroads Garage
    Liang MingChristopher AzarDon Pensack
    David MusserDee Jay RandallJim Mazur
    Mark SimmonsActon Sky PortalMatrix Engineering, Inc
    Industrial, Institutional and Commercial Electrical Engineering
    Chippewa Valley Astronomical Society
    Mark C.
    Kyle GoodwinKen SabatiniKaren Miller SLC

    Gardner Camp Youth Astronomy Club
    David OesperBilly and Domitta Gladson
    Steven LJ RussoAndy SchleiBrian M. Carroll
    Anthony ScandurraTracy TuttleMichael Vander Vorst for the San Diego Astronomy Association
    Rhonda Weeks
    Brendan Bronzan
    Mark Hanning-LeeBen Lutch
    David T. and Jean M. LongD. Craig TupperNick Lloyd
    PedroGlenn Littledale

    Salt Lake Astronomical Society
    Kenneth Stallard
    Yves Barriere
    John & Cathy MooreRick Evans
    Ginny Stumborg-RosinBuffalo Astronomical Association
    Art Gilbert
    Diego Gomez
    Dave HasenauerBrian CombsTom Neville

    Astronomical Society of Northern New England
    Charles S MorrisOscar Echeverri
    Kerrigan Singer
    and
    Ridley Singer
    James MunsonMartin Flynn
    Dr. Barbara G. HarrisStuart AlldrittBeth Colyear
    Starfront Observatories DiscordMark MannerClaude Duplessis
    Kevin AbelnRobert & Elaine WhiteDerek Archer
    Stephen CraigBob TaylorHerman Zwirn
    Chris WebbA member of the Saint Petersburg Astronomy Club.Jerome Hollon
    MessiernutJames PondBob Pitt
    Birmingham Astronomical Society
    In memory of Mike Miller
    Harry Sarber
    John R. CrillyPlumas Lake ObservatoryRiverside Astronomical Society
    Martin WilsonMichael PersonValley of the Moon Observatory Association
    Dave LoPrestiTri-Valley Stargazers Astronomy ClubCarl Roland
    Paul DawsonEyes on the Sky

    RASC Toronto Centre
    Ace Printing NewfoundlandFrank M. Klicar
    RJH PhotographyTexas Astronomical SocietyTim Povlick
    Santaluz Observatory
    Sue and Alan French
    Ekim Unal
    deepskyobjects.com

    Face The Outdoors Auora Viewing Lodge Tours
    City Lights Bookstore
    Zack WhaleyTodd KuniokaTom Jaeger
    RIP AmigoTom HoffelderSun City Astronomers
    Deep Springs CollegeRASC Halifax CentrePeter Zsenits
    Paul D ClarkeOregon Star Party CommiteeNorthern Cross Science Foundation
    Robert & Erika Moon
    and the
    IAS
    Mike WirthsMichael Collins
    Mark WarrenUberclockMark Biersack
    Noah AlbersLuke EdensLauren Weiss
    RASC Calgary CentreKlaus PeltschNature Friend Magazine
    Kevin & Carmen KasnerKayla VasquezJustin Hendricks
    Juno PorterSnake Wash Farms ObservatoryJoseph Geiger
    Joseph ComeauJoel E. GuthalsDavid M. Douglass
    Jim & Terry TurnerJerry HilburnJerel Smith
    Jeff AlfeldJim & Lisa McKayJohn W. Palmieri
    Hai DuSteve CariddiSteve Johnson, PhD
    George PalermoGene and Charlotte DupreeGary D. Maupin
    Gloucester Area Astronomy ClubGailen MarshallGaboury Benoit
    Eric LaflammeN3DXW & N3ED
    Indiana Astronomical SocietyDavid PetterssonDodie Reagan
    Connor NessColin Orion ChandlerColin Orion Chandler
    Cary MacWilliamsCameron County Recreation, PABob Hillier
    BillRBruce C TaylorAstronomical Society of Long Island
    Arrowhead Astronomical Society (Duluth,MN)Andre VaillancourtThe Unfrozen Caveman Astronomer
    Alexandre KoukarineAlbany Area Amateur AstronomersAlan & Pamela

    Why did people sponsor?

    Because they were fine people!

    We'd like to thank everyone who has given money to support cleardarksky.com/Clear Sky Charts. However, to simplify bookkeeping, taxes, maintenance and code complexity, effective immediately no more money for sponsorships will be accepted and existing subscriptions will be cancelled.

    Stay tuned for more news on how sponsored features will work in the future.

    If you still want to express your appreciation financially, please donate to the Wellspring Cancer Support Foundation, at https://give.wellspring.ca/give-wcsf-paypal

    Clear Sky Chart Home | Clear Dark Sky Homepage
    Copyright 2025 Attilla Danko
    Page is on server1.